| /* |
| * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef ColorDistance_h |
| #define ColorDistance_h |
| #if ENABLE(SVG) |
| |
| namespace WebCore { |
| |
| class Color; |
| |
| class ColorDistance { |
| public: |
| ColorDistance(); |
| ColorDistance(const Color& fromColor, const Color& toColor); |
| ColorDistance(int redDiff, int blueDiff, int greenDiff); |
| |
| ColorDistance scaledDistance(float scaleFactor) const; |
| Color addToColorAndClamp(const Color&) const; |
| |
| static Color addColorsAndClamp(const Color&, const Color&); |
| |
| bool isZero() const; |
| |
| float distance() const; |
| |
| private: |
| short m_redDiff; |
| short m_greenDiff; |
| short m_blueDiff; |
| }; |
| } |
| |
| #endif // ENABLE(SVG) |
| #endif // ColorDistance_h |